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                        AcWing 1455. 招聘
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题目某公司招聘，有  个人入围，HR在黑板上依次写下  个正整数 ，然后这  个人围成一个圈，并按照顺时针顺序为他们编号 。
录取规则是：
第一轮从  号的人开始，取用黑板上的第  个数字，也就是 。
黑板上的数字按次序循环使用，即如果某轮用了第...
                    
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                    <a href="/2022/08/18/AcWing%20797.%20%E5%B7%AE%E5%88%86/">
                        AcWing 797. 差分
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题目输入一个长度为  的整数序列。
接下来输入  个操作，每个操作包含三个整数 ，表示将序列中  之间的每个数加上 。
请你输出进行完所有操作后的序列。
输入格式第一行包含两个整数  和 。
第二行包含  个整数，表示整数序列。
接下来  行，每...
                    
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                        AcWing 173. 矩阵距离
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题目给定一个  行  列的  矩阵 ， 与  之间的曼哈顿距离定义为：

输出一个  行  列的整数矩阵 ，其中：

输入格式第一行两个整数 。
接下来一个  行  列的  矩阵，数字之间没有空格。
输出格式一个  行  列的矩阵 ，相邻两个整数...
                    
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                        AcWing 1056. 股票买卖 III
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题目给定一个长度为  的数组，数组中的第  个数字表示一个给定股票在第  天的价格。
设计一个算法来计算你所能获取的最大利润。你最多可以完成两笔交易。
注意: 你不能同时参与多笔交易（你必须在再次购买前出售掉之前的股票）。
输入格式第一行包含整数...
                    
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                        AcWing 1487. 取硬币
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题目现在有  种面值的硬币，其中前  种为普通币，可以取任意枚，后  种为纪念币，每种最多只能取  枚，每种硬币有一个面值，问能用多少种方法拼出  的面值？
输入格式第一行包含三个整数 ，分别表示普通币种类数，纪念币种类数和目标面值；
第二行  ...
                    
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                        AcWing 1489. 田忌赛马
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题目这是中国历史上的一个著名故事。
大约  年前，田忌是齐国的一位将军，他喜欢与国王等人赛马。
田忌和国王都有三匹不同等级的马—-下马、中马、上马。
规则是一场比赛要进行三个回合，每匹马进行一回合的较量，单回合的获胜者可以从失败者那里得到  银元...
                    
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                        AcWing 1488. 最短距离
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题目有  个村庄，编号  到 。
村庄之间有  条无向道路，第  条道路连接村庄  和村庄 ，长度是 。
所有村庄都是连通的。
共有  个村庄有商店，第  个有商店的村庄编号是 。
然后给出  个询问，第  个询问给出一个村庄的编号 ，问该村庄距...
                    
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                        AcWing 77. 翻转单词顺序
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题目输入一个英文句子，单词之间用一个空格隔开，且句首和句尾没有多余空格。
翻转句子中单词的顺序，但单词内字符的顺序不变。
为简单起见，标点符号和普通字母一样处理。
例如输入字符串"I am a student."，则输出"student. a a...
                    
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                        AcWing 1490. 最长上升子串
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题目给出一个长度为  的由正整数构成的序列，你需要从中删除一个正整数，很显然你有很多种删除方式，你需要对删除这个正整数以后的序列求其最长上升子串，请问在所有删除方案中，最长的上升子串长度是多少。
这里给出最长上升子串的定义：即对于序列中连续的若干...
                    
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                        AcWing 851. spfa求最短路
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题目给定一个  个点  条边的有向图，图中可能存在重边和自环， 边权可能为负数。
请你求出  号点到  号点的最短距离，如果无法从  号点走到  号点，则输出 impossible。
数据保证不存在负权回路。
输入格式第一行包含整数  和 。
接...
                    
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